Logic Trigger - Define Inputs configuration menu fields and controls
Field or control Description
Ch(x) (analog channels) or
D(x) (digital Channels
Use to select the signal sources logic condition on which to perform the logic search (High, Low, Don't
Care). T
ap to select.
If a channel is a digital channel, tap the + symbol to open the list of digital inputs (D15-D8) or
(D7-D0)from which to select individual digital signals.
Use the Threshold field to set the signal level that must be exceeded for that signal to be true (logical
1).
Set All Sets all signal sources to detect a logic High, Low, or Don't Care condition.
Setup and Hold Trigger configuration menu
Use the Setup & Hold trigger to trigger on a waveform when a data signal changes state inside of a specified setup and hold time, relative
to a clock edge.
T
o open the Setup & Hold trigger configuration menu:
1. Double-tap the Trigger badge on the Settings bar.
2. Set the Trigger Type to Setup & Hold.
Settings panel (Setup & Hold Trigger configuration menu) fields and controls
Field or control Description
Clock Source Sets the signal to use as the clock.
Clock Level Sets the threshold level that the clock signal must pass through to be considered a valid transition. The
clock threshold value is independent of the input signal threshold(s).
Clock Edge Sets the polarity of the clock edge (rising or falling) for evaluating the other menu conditions.
Data Sources: Define Inputs Opens the Setup & Hold Trigger - Define Inputs menu. Use this menu to select the input signals and
their thresholds. See Setup and Hold T
rigger - Define Inputs configuration menu on page 219.
Setup Time Sets the length of time that data signal should be stable and not change before a clock edge occurs.
Hold Time Sets the length of time that data signal should be stable and not change after a clock edge occurs.
Other trigger types
• Bus T
rigger Menu
• Edge Trigger menu
• Logic Trigger menu
• Pulse Width Trigger menu
• Rise Fall Time Trigger menu
• Runt Trigger menu
• Timeout Trigger menu
Menus and dialog boxes
218
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